Threshing-machine.



L. 0. E. KOLDENA THRESHING MACHINE.

APPLICATION men mus 4,1914.

1 9 1 0O 2 nm e D d G l m l a D1 3 SHEETS-SHEET 1.

whine/wen L. O. -E. KOLDEN.

THRESHING MACHINE.

APPLICATION FILED mp4. I914.

Patented Dec. 28, 1915.

3 SHEETS-SHEET 2.

L. O. E. KOLDEN.

THRESHING MACHINE.

APPLICATION FILED JUNE 4,1914.

Patented Dec. 28, 1915.

3 SHEETS--SHEET 3.

wi limwoaa LQ'UIS GLGF HOLDEN, OF QDIN, MINNESUTA.

T"ZEES1EIING-I\ IEACHIINE.

Application filed June 4, 1

To all whom it may, concern Be it known that I. LOUIS QLor E. KoLnnN, acitizen of the United States, residing at @din, in the county ofWatonwan and State of h linnesota, have invented certain new and usefulImprovements in Threshing- Machines of which the following is aspecification.

This invention relates to a threshing machine and the principal objectof the invention is to provide the threshing machine with an improvedarrangement of heaters and grates, the heaters being so arranged thatthey will spread the straw after passing beneath the threshing cylinderand thoroughlv separate it, thus permitting the loose grain to be shakenout of the straw.

Another object of the invention is to provide improved means foroperating the threshing cylinder and heaters.

Another object of the invention is to provide improved means forconstructing the grates, the grates being so constructed that they willbe very rigid and securely held in the set up position.

Another object of the invention is to so construct the grates that theymay be easily set up.

This invention is illustrated in the accompanying drawings, whereinFigure l is a view showin the body portion of the threshing machine inside elevation; Fig. 2 is a top plan view of the threshing machine withthe cover removed; Fig. 3 is a vertical longitudinal sectional viewthrough the threshing machine; Fig. t is a transverse vertical sectionalview through the threshing machine; Fig. 5 is a perspective view of oneof the side plates used in forming the grates; Fig. 6 is a perspectiveview of one of the ridge caps forming part of the grates; Fig. 7 is aperspective view of one of the blocks placed intermediate the width ofeach of the ridge caps; Fig. 8 is a perspective vi w of one of the gratebars; and Fig. 9 is a perspective view of one of the teeth carried bythe heaters.

This threshing machine is provided with the side walls 10 and 11 whichsupport the cover 12. The threshing cylinder 13 is rotatably mountedabove the threshing hoard l i and is provided with a pulley wheel 15 sothat the threshing cylinder may be rotated. The heaters 16, l7, 18, 19,20 and 21 are rotatahly mounted transversely in the thresh-Specification of Letters Patent.

Patented Dec. .00, 1915.

914;. Serial ITo. 84:3,"Q l5.

ing machine and are pr vided with teeth 22 which are arranged as shownin Fig. 2. The teeth of the heater 21 engage the straw after it haspassed beneath the threshing cylinder and spread it so that most ot'thegrain passes through the grate positioned beneath the cylinder 21. Thegrain is then engaged by the teeth of the remaining heaters andsuccessively moved diagonally across the grates positioned beneath theheaters, due to the action of the teeth which are placed in spirallyextending rows around the heaters, thus moving the straw from one sideof the threshing machine to the other and separating the straw so thatthe grain which may remain in the straw after passing beneath the beater21 will be shaken loose.

Each of these heaters comprises a shaft 23 which carries a pulley wheel24. The shaft of heater 19 carries a pulley wheel 2t upon each end asshown in Fig. 2 so that rotary motion can be transmitted from the shaftof heater 19 to the pulley wheels which are mounted upon the oppositesides of the threshing machine from those shown in full lines in Fig. 1.This arrangement is very clearly shown in Fig. 2. The heads of eachheater are mounted upon the shaft 23 and have their edge portions cut toprovide tongues 26 which are bent inwardly as shown in Fig. l so thatthe bars 27 may be secured to the tongues 26 with their end portionsextending into the slots formed by the tongues. A center dish 28 isplaced intermediate the width of the roller and is also provided withtongues 29 to which the bars are secured. A casing 30 which ispreferably formed of sheet metal is placed about the frame of the heaterand is provided with openings through which the shanks 31 of the teethmay pass so that the shanks 01" the teeth may pass through the bars 27as clearly shown in Fig.

The pulley 32 which is mounted upon the shaft of fan moves the belt 34which passes around the pulleys l5 and 2% upon one side of the machineand also passes around the guiding pulleys 35. Ahelt tightener 36 isprovided to hold the belt in tight engagement with the pulley wheels andcause the threshing cylinder and heaters 19, 20 and 21 to be rotated.Upon the opposite side of the machine there is provided a second belt3'! which passes around the pulley wheels 2% beneath the guiding wheels38. a belt ti 'htener 39 bein provided so "I: h :3 n that the beaters 16la and 18 ma* be ro- 7 tated.

The grates are provided with side plates or-castings e'O'which aresecured to the side walls 10 and 11 by means of bolts passing throughopenings 41.. The side plates are also supported by means of strips 42extending beneath the lower edges of the plates as shown in. Fig. Theupper edges of the plates are arcuate and are provided with. notches i3forming seats to receive theends of the grate bars After these gratebars 4.4- have been put in place securing strips as are secured to theupper edges of the plates 40 to securely hold the grate bars in theseats 4-3. In Fig. 6, there is shown one of the rid ed caps which areformed of sheet metal and have their edge portions bent to form fingersor flanges 47 which extend into the end notches L8 as shown in Fig. 3and thus securely hold the ridged caps in place. It is necessary thatthe ridged caps and grate bars be braced and therefore there has beenprovided the bracing blocks 49 and bracing rods 50. The bracing blocks49 are positioned at a point intermediate the width of the ridged caps46 and are provided with slots 51 and through which the grate bars andflanges at? pass. They are also provided with openings through which thebracing rods pass.

When this machine is in use, thebundles of grain are fed into-themachine beneath the threshing cylinder and the grain is threshed out ofthe heads and most of it falls to the pan extending beneath the gratesas the straw passes beneath the spreading beater 21. This spreadingbeater separates the straw into a comparatively thin sheet extendingapproximately the full width of the first grate. After the straw haspassed beneath the first beater it successively passes beneath theremaining boaters which shift it from one side to the other and thusthoroughly shake the straw so that any grain which may have becomecaught in the straw will be shaken out and dropped through the gratesonto the pan 54; or pan Copies of this patent may be obtained for 55.The grain will then pass on to the chute 50 56 leading to the screwconveyer 57 which feeds the grain out of the threshing machine. As thegrain passes along the chute 56 it will be struck by a blast from thefan 33 and all dust and chati removed from the grain i What is claimedis 1. A threshing machine comprising a body portion, grain removingmeanscooperating with said body portion, beating means lead- 60 ing fromsaid grain removing means, said beating means comprising a plurality ofside plates having areuate upper edges provided with cut outs formingseats, grate bars having their end portions fitting within. said 55seats, securing strips connected with the upper edges of said sideplates to removably hold said grate bars in said seats, ridged capshaving their end portions connected with said side plates, reinforcingblocks posi- 7 tioned intermediate the length of each of said ridgedcaps, rods extending through said grate bars and having their endportions extending throughsaid bracing blocks and ridged caps, andbeating cylinders rotat- 7.5 ing above said grates.

2. In a threshing machine, a beating mechanisincomprising side supportshaving their upper edges provided with seats, grate bars having theirend portions fitting within said so seats, means for releasably holdingsaid grate bars within said seats, ridged caps provided with sideflanges passing through cut outs formed in said side supports,bracingblocks for said ridged caps provided 35 with cut outs to receivesaid flanges and certain of said grate bars, bracing rods passingthrough said grate bars and having their end portions passing throughsaid bracing blocks and ridged caps, and cylinders rotating above saidgrate bars.

In testimony whereof l affix my signature in presence of two witnesses.

LOUIS ones it. KOLDEN. Witnesses Jason 'inIonN, JOHN HAGEN.

five cents each, by addressing the Gommissioner of Patents. Washington,D. C.

